Terminating (6)
I believe the answer is:
ending
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">terminating</span>' is the definition.<br/ ><span class="explanation-format__explanation">('end' can be a synonym of 'terminate')</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for ending that I've seen before include "Closure" , "Finishing" , "Bringing to a close" , "Stopping" , "Putting a stop to" .)